• base

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo

• epel

wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-6.repo

• rpmforge

[rpmforge]
name = RHEL $releasever - RPMforge.net - dag
baseurl = http://mirror.bjtu.edu.cn/repoforge/redhat/el6/en/$basearch/rpmforge
mirrorlist = http://mirror.bjtu.edu.cn/repoforge/redhat/el6/en/mirrors-rpmforge
#mirrorlist = file:///etc/yum.repos.d/mirrors-rpmforge
enabled = 1
protect = 0
gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmforge-dag
gpgcheck = 1